samsung-laptop (optional)It installs a patched version of the 'samsung-laptop' kernel module, which provides a control interface for samsung-tools.Please read the NOTES below.

easy-slow-down-manager (optional)It installs the 'easy-slow-down-manager' kernel module, which provides a control interface for samsung-tools.Please read the NOTES below.

samsung-backlight (optional)It enables the screen brightness control for laptops that don't have a proper support (mostly with Intel video cards).It also disables the samsung-laptop kernel module.Please read the NOTES below.

phc-intel (optional)It installs the 'phc-intel' kernel module, used by samsung-tools for CPU undervolting.Keep it mind it only supports a limited range of CPUs, mostly Atom CPUs, so it may not work for you.You also need a PHC enabled kernel, since the official Ubuntu one does not allow the use of this kernel module.Use the PPA for linux-phc in order to get one.

Again, please read the NOTES below.

Reboot the system to have all changes applied.

Have fun!

FOR NVIDIA USERS:The backlight control should work by default when using the open source nouveau driver.Instead, if you use the closed source nvidia driver, follow these instructions (thanks to ChrisPHL):

NOTES:The new samsung-tools 2.0 has support for 2 different control interfaces: samsung-laptop and easy-slow-down-manager.The first one is newer and is officially shipped with the newer linux kernels. Eventually, It will superseed easy-slow-down-manager.Unfortunately, at the moment it lacks support for a lot of Samsung notebook models and it yet suffers of some annoying bugs.The samsung-laptop package available on the PPA installs a patched version of the kernel module which fixes some of these bugs but, yet, the situation is pretty much the same. If you face problems with this control interface, you can switch to the old 'easy-slow-down-manager' interface.To do so, install the easy-slow-down-manager and samsung-backlight packages from the PPA. The 'samsung-laptop' kernel module will be disabled.These 2 packages provide the same functionalities as in the previous Ubuntu versions, so if they worked for you, they will continue to do so.You can check the control interface currently in use from the command line, with the command "samsung-tools -i", or through the "Samsung Tools Preferences" configuration dialog.

Another thing needs to be pointed out.I receive a lot of reports about samsung-tools and the problems with the screen brightness control.Samsung Tools has no control on screen brightness levels, nor on the behaviour of the Fn-Up and Fn-Down hotkeys used to control brightness.It just controls the screen backlight (on or off, Fn-F5 hotkey), by using the control interfaces described above.If brightness control does not work for you, then the problem may be in the kernel driver missing support for your notebook model, may be a bug in gnome-power-manager (if you use Gnome), may be a bug in powerdevil (if you use KDE), and so on.Please file bug reports appropriately.

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Hi! I have a samsung RV720 with nvidia card and Ubuntu 12 , I followed the istructions and it works but I can only decrease the backlight and when I try to increase my monitor blinks but it doens't increase backlight. Could you please give me a hint on what I can do?

First of all, thanks you Voria for your enourmous contributions! I would like to add here some reports about a small issues i had. I have recently updated to ubuntu 12.04 and installed samsung-tools in my samsung Q45 from 2008 (I guess...). Almost everything worked perfectly, but I have been suffering a minor issue with wireless, which always is OFF on bootup. Samsung-tools-preferences was configured as "last status", so it should be ON on startup as it was in last system run. Finally I hd to configure wireless as "always on" in samsung-tool-preferences and it worked for me, so it is not a problem anymore. Another minor issue, when enabling the wireless, the notification panel says "Wireless cannot be enabled", anyway it works fine. I don't know if it is related or not with samsung tools.

Thanks for letting me know. I was a bit confused when I was told that the part of the installation that enables the GUI preference pane had failed, yet I was able to use the GUI anyway. That explains it.

The only problem I'm having now is with the sound adjustment buttons - they behave as though I'm keeping them pressed down indefinitely so I either get maximum or muted volume and this prevents manipulation of all menu functions, task bar buttons and so on.

Note: 'easy-slow-down-manager' and 'samsung-backlight' packages are not available for Ubuntu 13.04, because I don't really know if the problem with new UEFI devices [1] has been fixed. Better safe than sorry.

If you really need them, you can manually download them from the repository, the packages for Ubuntu 12.10 should work just fine.

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